parthenogenesis



parthenogenesis defined in 1951 year

parthenogenesis - parthenogenesis;
parthenogenesis - Development of ovum without fertilization into a new individual. In many animals it may be induced artificially. See also: Artificial Parthenogenesis. In some plants (dandelion), and animals (aphids, rotifers, where males may be absent), is of normal occurrence. Ova which develop in this way are usually diploid, in which case all offspring are genetically identical with the parent. Frequently in such animals ordinary sexual reproduction, providing genetic recombination, together with employment for males, occurs from time to time (heterogamy). See also: Apomixis.

near parthenogenesis in Knolik


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partridge

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